import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'

// create an axios instance
const service = axios.create({
   baseURL: process.env.NODE_ENV === 'development'?'/':'/api', // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})
var isRefreshing = false // 标记是否正在刷新 token
// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent
      config.headers['authorization'] = getToken()
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(

  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    // if(res.response.status == 400){
    //   console.log(1);

    // }
    const res = response.data
    console.log(response)
    // console.log(response)

    //判断是否是登录接口
    if(res.access_token){
      return res
    }else{
      //token格式非法或失效
      if(res.code===401){
        if(res.msg==='token格式非法或失效'){
          console.log(isRefreshing)
          // store.getters.refresh_token
          if(!isRefreshing){
            isRefreshing = true
            let formData = new FormData()
            console.log(store.getters.refresh_token)
            var data={ client_id:'app1',client_secret:'secret',grant_type:'refresh_token',refresh_token: store.getters.refresh_token}
            for(var i in data){
              formData.append(i,data[i])
            }
            store.dispatch('user/loginToken', formData).then(()=>{
              isRefreshing = false
              response.config.headers['authorization'] = getToken()
              return axios.request(response.config);
            })
          }

        }


      }else{
          if (res.code == 500 || res.code == 400) {
            Message({
              message: res.msg || 'Error',
              type: 'error',
              duration: 5 * 1000
            })
          } else{
             return res
          }

      }
    }
    // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 20000) {
    //   Message({
    //     message: res.message || 'Error',
    //     type: 'error',
    //     duration: 5 * 1000
    //   })

    //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //     // to re-login
    //     MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
    //       confirmButtonText: 'Re-Login',
    //       cancelButtonText: 'Cancel',
    //       type: 'warning'
    //     }).then(() => {
    //       store.dispatch('user/resetToken').then(() => {
    //         location.reload()
    //       })
    //     })
    //   }
    //   return Promise.reject(new Error(res.message || 'Error'))
    // } else {
    //   return res
    // }
  },
  error => {
    console.log('err' + error) // for debug
    Message({
      message: error.response.data.error_description || error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
